TigranW225205 TigranW225205

28-10-2022
Mathematics

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Through research, scientists found a person consist of 3.2 x 10^-5 lbs of zinc. In the bodies of 3,500 such people, how much zinc is present.

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MckinseyS388274 MckinseyS388274

28-10-2022

One person has

[tex]3.2x10^{-5}\text{ lbs of zinc}[/tex]

then, in the body of 3500 such people, there are

[tex]3500\cdot3.2x10^{-5}\text{ lbs of zinc}[/tex]

this product is equal to

[tex]3500\cdot(0.000032)=0.112\text{ lbs}[/tex]

of zinc

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